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Low hanging Dromaeo fruit #6900

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wants to merge 3 commits into from
Closed

Low hanging Dromaeo fruit #6900

wants to merge 3 commits into from
+20 −11

Commits on Sep 17, 2015

  1. script: Switch really expensive O(n)-and-allocating asserts in 

    attribute getters and setters to be debug-only.

Was killing our Dromaeo performance.
    @pcwalton
    pcwalton committed Sep 17, 2015
    6373f55

  2. script: Mark some DOM methods used in Dromaeo as pure. 

    We can't LICM them until we are codegen-ing `JSTypedMethodJitInfo` (see
    @pcwalton
    pcwalton committed Sep 17, 2015
    f6bc285

  3. script: Stop reallocating so much when converting DOM strings to JS 

    values.

`size_hint()` in `utf16_units()` seems busted, so we do it ourselves.
    @pcwalton
    pcwalton committed Sep 17, 2015
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